Note 2 - Restructuring, Impairment and Other Charges - Restructuring, Impairment and Other Charges (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Employee Severance [Member]
Reserve			$ 3
Net Charges/Reversals			15
Non-cash adjustments			(1)
Restructuring payments			(6)
Reserve	$ 11		11
Other Restructuring [Member]
Net Charges/Reversals			1
Restructuring payments			(1)
Reserve			3
Net Charges/Reversals			16
Non-cash adjustments			(1)
Restructuring payments			(7)	$ (23)
Reserve	11		11
Disposal of long-lived assets			62
Restructuring, impairment and other charges	$ (2)		$ 78